US4931976A - Temperature compensated side lobe suppression - Google Patents
Temperature compensated side lobe suppression Download PDFInfo
- Publication number
- US4931976A US4931976A US07/266,560 US26656088A US4931976A US 4931976 A US4931976 A US 4931976A US 26656088 A US26656088 A US 26656088A US 4931976 A US4931976 A US 4931976A
- Authority
- US
- United States
- Prior art keywords
- band
- frequency
- temperature
- ram
- amplitude
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001629 suppression Effects 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 4
- 230000004044 response Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 230000006870 function Effects 0.000 claims description 4
- 230000002401 inhibitory effect Effects 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 230000006872 improvement Effects 0.000 claims description 2
- 230000005055 memory storage Effects 0.000 claims 1
- 230000006903 response to temperature Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/266,560 US4931976A (en) | 1988-11-03 | 1988-11-03 | Temperature compensated side lobe suppression |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/266,560 US4931976A (en) | 1988-11-03 | 1988-11-03 | Temperature compensated side lobe suppression |
Publications (1)
Publication Number | Publication Date |
---|---|
US4931976A true US4931976A (en) | 1990-06-05 |
Family
ID=23015081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/266,560 Expired - Fee Related US4931976A (en) | 1988-11-03 | 1988-11-03 | Temperature compensated side lobe suppression |
Country Status (1)
Country | Link |
---|---|
US (1) | US4931976A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5897608A (en) * | 1993-10-08 | 1999-04-27 | Leader Electronics, Corp. | Compensating apparatus and method for signal processing circuit |
US6479979B1 (en) | 1999-07-09 | 2002-11-12 | Srico, Inc. | Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
CN109642939A (en) * | 2016-12-22 | 2019-04-16 | 古河电气工业株式会社 | Pulse generation device and its output adjusting method |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US173A (en) * | 1837-04-20 | Improvement in the manufacture of hat-bodies | ||
US4437164A (en) * | 1981-03-05 | 1984-03-13 | Bristol Babcock Inc. | Ridge circuit compensation for environmental effects |
US4592002A (en) * | 1983-12-13 | 1986-05-27 | Honeywell Inc. | Method of digital temperature compensation and a digital data handling system utilizing the same |
US4633422A (en) * | 1983-07-26 | 1986-12-30 | Cincinnati Electronics Corporation | Apparatus for and method of compensating for variations due to aging |
-
1988
- 1988-11-03 US US07/266,560 patent/US4931976A/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US173A (en) * | 1837-04-20 | Improvement in the manufacture of hat-bodies | ||
US4437164A (en) * | 1981-03-05 | 1984-03-13 | Bristol Babcock Inc. | Ridge circuit compensation for environmental effects |
US4633422A (en) * | 1983-07-26 | 1986-12-30 | Cincinnati Electronics Corporation | Apparatus for and method of compensating for variations due to aging |
US4592002A (en) * | 1983-12-13 | 1986-05-27 | Honeywell Inc. | Method of digital temperature compensation and a digital data handling system utilizing the same |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5897608A (en) * | 1993-10-08 | 1999-04-27 | Leader Electronics, Corp. | Compensating apparatus and method for signal processing circuit |
US6479979B1 (en) | 1999-07-09 | 2002-11-12 | Srico, Inc. | Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
US20030042884A1 (en) * | 1999-07-09 | 2003-03-06 | Srico, Inc. | Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
US6724179B2 (en) | 1999-07-09 | 2004-04-20 | Srico, Inc. | Opto-electric device for measuring the root-mean-square value of an alternating current voltage |
CN109642939A (en) * | 2016-12-22 | 2019-04-16 | 古河电气工业株式会社 | Pulse generation device and its output adjusting method |
US11187781B2 (en) * | 2016-12-22 | 2021-11-30 | Furukawa Electric Co., Ltd. | Pulse generating device and output adjustment method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: TIDELAND SIGNAL CORPORATION, HOUSTON, TX, A CORP. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:OLIVENBAUM, JAMES E.;FISCHER, MARK C.;REEL/FRAME:004975/0545 Effective date: 19881102 Owner name: TIDELAND SIGNAL CORPORATION, TEXAS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:OLIVENBAUM, JAMES E.;FISCHER, MARK C.;REEL/FRAME:004975/0545 Effective date: 19881102 |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
|
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 20020605 |